about regular expression

This is a discussion on about regular expression within the C Programming forums, part of the General Programming Boards category; below code for searching relative path for resource in html text,but when using regcomp method to complie the regular expression,a ...

about regular expression

below code for searching relative path for resource in html text,but when using regcomp method to complie the regular expression,a error is printed:Invalid preceding regular expression;I dont know if <regex.h> does not support (?! xxx ) or something else make the error